Home / 1,007,100.32-1,510,098.32-399,272.87

Finding the Fourth Proportional to 1,007,100.32, 1,510,098.32 and 399,272.87

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Solution

The fourth proportional to 1,007,100.32, 1,510,098.32 and 399,272.87 is: 598,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,100.32 : 1,510,098.32 = 399,272.87 : x
  2. Step 2: Convert to fraction form
    1,007,100.32/1,510,098.32 = 399,272.87/x
  3. Step 3: Cross multiply
    1,007,100.32x = 1,510,098.32 × 399,272.87
  4. Step 4: Simplify right side
    1,007,100.32x = 602,941,291,987.46
  5. Step 5: Solve for x
    x = 602,941,291,987.46/1,007,100.32
  6. Step 6: Final answer
    x = 598,690.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.